AT29C256-70PC

Product Overview

Category

AT29C256-70PC belongs to the category of non-volatile memory integrated circuits.

Use

It is primarily used for storing and retrieving digital information in electronic devices.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High storage capacity: The AT29C256-70PC has a storage capacity of 256 kilobits (32 kilobytes).
• Fast access time: It offers a fast access time of 70 nanoseconds.
• Low power consumption: The device operates on low power, making it suitable for battery-powered applications.

Package

The AT29C256-70PC is available in a 28-pin plastic dual in-line package (PDIP).

Essence

The essence of AT29C256-70PC lies in its ability to provide reliable and non-volatile storage for digital data in various electronic systems.

Packaging/Quantity

The AT29C256-70PC is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

• Storage Capacity: 256 kilobits (32 kilobytes)
• Access Time: 70 nanoseconds
• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 28-pin PDIP

Detailed Pin Configuration

1. A16
2. A15
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. OE#
13. CE#
14. WE#
15. I/O0
16. I/O1
17. I/O2
18. I/O3
19. VCC
20. GND
21. I/O4
22. I/O5
23. I/O6
24. I/O7
25. A8
26. A9
27. A11
28. A10

Functional Features

• Easy interfacing: The AT29C256-70PC can be easily connected to microcontrollers and other digital devices.
• High-speed operation: It offers fast read and write operations, enabling efficient data access.
• Sector erase capability: The device supports sector-wise erasure, allowing selective modification of data.
• Data protection: The AT29C256-70PC incorporates various mechanisms to prevent accidental data corruption.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• Fast access time enables quick retrieval of stored information.
• Low power consumption makes it suitable for battery-powered applications.
• Sector erase capability allows selective modification of data.

Disadvantages

• Limited storage capacity compared to higher-capacity memory devices.
• Relatively slower access time compared to some modern memory technologies.

Working Principles

The AT29C256-70PC utilizes flash memory technology to store and retrieve digital data. It employs a combination of floating-gate transistors and control circuitry to achieve non-volatile storage. When data is written, charges are trapped in the floating gates, representing the stored information. During read operations, the trapped charges are sensed to retrieve the stored data.

Detailed Application Field Plans

The AT29C256-70PC finds application in various electronic systems, including but not limited to: - Embedded systems - Microcontroller-based projects - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

1. AT28C256-15PU: Similar specifications with a slower access time of 150 nanoseconds.
2. AT29C512-90PC: Higher storage capacity of 512 kilobits (64 kilobytes) with a faster access time of 90 nanoseconds.
3. AT29C010A-12PC: Lower storage capacity of 1 megabit (128 kilobytes) with a slower access time of 120 nanoseconds.

These alternative models offer different combinations of storage capacity, access time, and package types to cater to diverse application requirements.

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